Light position
ToolDesigned to give user easy access
to the lighting subsystem. Controls position of the main light relative
to the surface. Visual effect of the light is just the same as in real
life. It changes reflection and shadows. Useful to visualize hidden
surface features by shadowing.

Left Mouse
Drag within the tool (not necessarily within the red marker)This operation changes the light
position. Red marker shows relative position of the light.

Palette
and Contour ToolPalette is shown within this tool
as colors of Look Up Table (LUT)Contour
is shown as white shadowed lines of Z elevation. Numbers give corresponding
Z-value (height)